From 847f0ce1d495b642b531f61816c54b2c1bbded6a Mon Sep 17 00:00:00 2001
From: ffdfgdfg <heyingtingaaa@gmail.com>
Date: Mon, 23 Sep 2019 23:09:58 +0800
Subject: [PATCH] fix window write loss

---
 lib/mux/conn.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/mux/conn.go b/lib/mux/conn.go
index b1141ee..3f824cc 100644
--- a/lib/mux/conn.go
+++ b/lib/mux/conn.go
@@ -223,10 +223,10 @@ func (Self *window) SetSendBuf(buf []byte) {
 func (Self *window) fullSlide() {
 	// slide by allocate
 	newBuf := common.WindowBuff.Get()
-	copy(newBuf[0:Self.len()], Self.windowBuff[Self.off:])
-	Self.off = 0
+	Self.liteSlide()
+	n := copy(newBuf[:Self.len()], Self.windowBuff)
 	common.WindowBuff.Put(Self.windowBuff)
-	Self.windowBuff = newBuf
+	Self.windowBuff = newBuf[:n]
 	return
 }